Gb13b11 Dominant 7th
The Gb13b11 chord is built from the notes G – B – D – F – B – Eb.
Piano sound loads on first tap.
Chord tones, one by one
GRoot
Root
The fundamental note the chord is built on — G.
BThird
Major third
Four semitones — makes the chord major (brighter, happier).
DFifth
Perfect fifth
Seven semitones — the most stable interval, reinforces the root.
FSeventh
Minor seventh (♭7)
Ten semitones — the dominant/minor seventh. Adds bluesy tension (7, m7).
BExtension
Extension (16 st)
An upper extension 16 semitones above the root.
EbExtension
Flat thirteenth (♭13)
A ♭13 — dark altered tension over a dominant chord.
🎼 Related scales
Mixolydian ♭6 (Aeolian dominant)melodic minor a perfect 5th below
🎹 Modal analysis
This chord implies the Mixolydian ♭6 (Aeolian dominant) scale; its characteristic note is the dark ♭6. It is a mode of the melodic minor a perfect 5th below.
🎸 Genres
Jazz fusion · Modal jazz · Bossa/MPB